Periodic table review

The atomic number tells us the number of ____________?

• Neutrons

• Protons

• Electrons

• Atoms

What is the atomic number of this atom?

• 4
• 5
• 9
• none of the above

Tags

NGSS.MS-PS1-1

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

The atomic number of Titanium is

• 22
• 23
• 20
• 24

Tags

NGSS.MS-PS1-1

The atomic number of Nitrogen

• 7
• 6
• 8
• 9

Tags

NGSS.MS-PS1-1

An atomic number of 8 means the atom has ________ protons.

• 7

• 8

• 16

• 88

Tags

NGSS.MS-PS1-1

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

• Sodium has 1 proton.

• Sodium has 12 protons.

• Sodium has 11 protons

• Sodium has 23 protons

Tags

NGSS.MS-PS1-1

What is the average number of protons and neutrons in an atom called?

• atomic mass

• atomic number

• mass number

• number of neutrons

What is the total number of protons and neutrons in an atom called?

• atomic mass

• mass number

• atomic number

• number of protons